Vox 16000mAh Power Bank On Paytm @ Rs.659 (After Cashback)
https://paytm.com/shop/p/vox-16000m-ah-power-bank-white-VOX_16000MAH_NULL_WHITE_265


Use Promocode MA40 and Get 40% Cashback. Additional 5% Cashback for Yes Bank Debit Card users.

Price comparison:-
Shopclues @ @ Rs. 1349
http://www.shopclues.com/vox-16000mah-power-bank-white.html
Snapdeal @ Rs. 1299
http://www.snapdeal.com/product/vox-16000mah-dual-usb-power/627968468488#bcrumbSearch:Vox%2016000mAh%20Power%20Bank%20%28White%29
Flipkart @ Rs. 1499
http://www.flipkart.com/vox-portable-usb-jumbo-16000-mah-charger-power-bank/p/itmdzkexmttm2gut